The Polarity is not compatible with ALL/any Devices. the writing is different ,to what is seen in pictures. Otherwise, the adapter will not work. Full power, good anti-interference performance, small DC ripple.
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JOUYM HG2 18650 Battery 2800mAh 3.7V High Current Discharge 30A Li-ion Rechargeable battery Power cell for Screwdriver
Aliexpress UK
The Shark XBATR725EU Battery is a high-quality electric battery designed specifically for Shark vacuum cleaners, models IZ300/IZ320.
eBay
3.7 v 650mah Lipo Polymer Battery For Syma X5c X5c-1 X5 H5c RC Quadrotor Spare Parts Rechargeable Battery Drone Battery 2-6pcs
Aliexpress UK
RVBAT850 KB28 JL15. For Shark Ion R75 RV85 RV850 RV750-N RVBAT850(2-prongs plug). Battery type:Li-ion. Such as battery, as adapter etc. 2, Our 100% item locate UK Local warehouse. Country/Region of Manufacture:China.
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Hover Board Battery 36v 10s2p 4400mAh Lithium Battery Pack for Electric Scooter Twist Car Batt 36v 4.4Ah Rechargeable Battery
Aliexpress UK
Shark YLS0483A-U2880802 Battery Charger 28.8V 0.8A
eBay
Battery Adapter for Ryobi 18V Battery to for Makita 18V Power Tools Convert to BL1830 BL1830B BL1840 BL1860 BL1890 Battery
Aliexpress UK
Condition - Good Preowned.
eBay
Converter Battery Adapter For Worx 20V 4PIN Orange Li-ion Battery Convert To For Makita 18V BL Li-ion Battery Power Tool Drill
Aliexpress UK
Genuine Shark Battery XBATR725EU Fits IZ300UK Range. Tested & Working
eBay
JOUYM 18650 Battery 2500mAh 3.7V INR18650 25R M 20A Discharge Li-ion Battery High Current Rechargeable cell Nickel Sheet
Aliexpress UK
21.6V 75.6Wh 4000mAh Battery for Shark XSBT620 XSBT600 IZ162H IZ163H IZ362H IZ36. New Shark IZ300 Vacuum Cleaner Lithium Battery 21.6V 4000mAh XSBT600. The NON-OEM batteries suitable for the Shark IZ300 have been rigorously tested to ensure safety.
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3850mAh Battery For DJI Mini 3 / Mini 3 Pro Battery Charger Drone Accessories For Dji MINI 4 PRO Intelligent Flight Batteries
Aliexpress UK
Note pictures are of a cheap amazon copy, for refference only to show plugs. [ not seen in pictures ]. The Polarity is not compatible with ALL/any Devices. it has been individually factory, checked/ tested, and now tested again [ AND now discreetly photo ID SECURITY MARKED ].
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1Pcs AAA to AA/AA to C/D Battery Combination Adaptor Combination Cell Battery Box Adaptor AAA AA Holder Case Converter Switch
Aliexpress UK